How to Prepare for the Test

Some foods can increase catecholamines in your urine. You may need to avoid the following foods and beverages for several days before the test:

Bananas

Chocolate

Citrus fruits

Cocoa

Coffee

Licorice

Tea

Vanilla

Many medicines can interfere with test results.

Your provider will tell you if you need to stop taking any medicines before you have this test.

DO NOT stop or change your medicines without talking to your provider first.

How the Test will Feel

The test involves only normal urination, and there is no discomfort.

Why the Test is Performed

The test is usually done to diagnose an adrenal gland tumor called pheochromocytoma. It may also be used to diagnose neuroblastoma. Urine catecholamine levels are increased in most people with neuroblastoma.

The urine test for catecholamines may also be used to monitor those who are receiving treatment for these conditions.

Normal Results

All of the catecholamines are broken down into inactive substances that appear in the urine: